| 发明名称 |
APPARATUS AND PROCESS FOR EXTRUDING AND QUENCHING A THERMOPLASTICS FILM |
| 摘要 |
Apparatus and process for the extrusion and quenching of thermoplastics films wherein the film is electrostatically pinned to a cooled quenching surface by means of a blade electrode having a charge-emitting edge which is non-linear and conforms substantially to the transverse curvature in the edge portions of the film. |
| 申请公布号 |
DE3065278(D1) |
申请公布日期 |
1983.11.17 |
| 申请号 |
DE19803065278 |
申请日期 |
1980.07.04 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
GROVES, DAVID JOHN |
| 分类号 |
B29B7/00;B29C31/00;B29C41/26;B29C47/00;B29C47/88;B29L7/00 |
主分类号 |
B29B7/00 |
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